US Bridges

I-85 (nbl) over CR 99 Cannonville Road

Fair

Troup County, Georgia · 3 MI SW of Lagrange · Structure no. 000000028500560

Built
1966
59 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
3 main spans
Daily traffic
39,300
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 (nbl) over CR 99 Cannonville Road is a steel stringer/multi-beam or girder carrying I-85 (nbl) over CR 99 Cannonville Road in Troup County, Georgia. It was built in 1966, so it is 59 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 39,300 vehicles a day, roughly 19% of them trucks, projected to reach 47,670 by 2032. The structure is 140 ft (42.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-85 (nbl)
CrossesCR 99 Cannonville Road
Location3 MI SW of Lagrange
RouteInterstate 85
CountyTroup County
StateGeorgia
Coordinates32.96046, -85.08314
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating24.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span49 ft (14.9 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,300 (2024)
Projected traffic47,670 by 2032
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$821,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 (nbl) over CR 99 Cannonville Road built?

It was built in 1966, making it 59 years old in 2025.

What condition is I-85 (nbl) over CR 99 Cannonville Road in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does I-85 (nbl) over CR 99 Cannonville Road carry?

About 39,300 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is I-85 (nbl) over CR 99 Cannonville Road?

The structure is 140 ft (42.7 m) long with a longest span of 49 ft (14.9 m) and a deck 40 ft wide.

Who owns I-85 (nbl) over CR 99 Cannonville Road?

It is owned by the State Highway Agency.